BR715-A1-30 From , joined Dec 1969, posts, RR: Reply 1, posted (10 years 6 months 1 week 1 day 11 hours ago) and read 752 times:
Commonality?? Most airlines like to have a family of engines (Like some aircraft like a family of aircraft. If one airline sticks to Rolls-Royce, than they will have a common engine family, and mechanics will not have to deal with "foreign" engines. If a Mechanic is good at Rolls-Royce, than why would you stick him in front of a P&W or GE. and Vice Versa, Vice Versa.